1990 BMW 525i Service and Repair Manual

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Fits the 1990 525i — Base Sedan 4-Door ·
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1990 BMW 525i service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Sedan 4-Door

Engines covered

  • 2.5L 2494CC 152Cu. In. l6 GAS SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #98V17800004/08/1998Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

VEHICLE DESCRIPTION: PASSENGER VEHICLES. A MALFUNCTION OR FAILURE OF A COOLANT SYSTEM COMPONENT, SUCH AS A THERMOSTAT, WATER PUMP, OR FAN BELT, CAN RESULT IN SIGNIFICANTLY INCREASED COOLANT TEMPERAT

Consequence

IF A CRACK WERE TO FORM OR A SEAM WERE TO SEPARATE IN THE HEATER CORE END PIECE, HOT COOLANT COULD S

Remedy

DEALERS WILL INSTALL A NEW DESIGN RADIATOR CAP TO CONTROL PRESSURE AND PROVIDE GREATER COOLANT OVERF

TSB #10249437

The basic conditions for initializing the power windows are not met.

TSB #50896

RECALL 96V110 - BMW OF NORTH AMERICA HAS INITIATED A RECALL CAMPAIGN WHICH INVOLVES THE AIRBAG CONTACT RING LOCKING TAB. *TW

TSB #50897

RECALL 96V111 - THIS RECALL CAMPAIGN INVOLVES THE BRAKE LIGHT SWITCH. *TW

TSB #50898

ANNOUNCEMENT THAT OWNERS OF VEHICLES INVOLVED IN RECALLS 96V110 AND 96V111 WILL BE COMBINED INTO ONE MAILING. *TW

19971113Component: AIR BAGS:FRONTAL1 injured

CONSUMER WAS DRIVING 30 MPH WITHOUT VEHICLE COLLISION OCCURRING THE DRIVER'S AIR BAG DEPLOYED, CAUSING THE OCCUPANT TO BECOME INJURED. PLEASE GIVE ANY FURTHER DETAILS. *AK

19970311Component: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER1 injured

SEAT HEATER BURNED OCCUPANT.

20020402Component: STEERING:HYDRAULIC POWER ASSIST SYSTEMCrash reported

I REALIZED MY CAR WAS WRECKED SEVERAL TIMES, IT'S A SALVAGED CAR, BUT SOLD AS NORMAL; THEREFORE OVERPRICED. *AK

Showing the 3 most serious of 51 complaints filed with NHTSA.

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